MyStacks is an iPhone application for browsing questions from the stack overflow trilogy sites, those are stackoverflow.com superuser.com serverfault.com and stackoverflow.com.

Features:

• Themeable UI
• DOM HTML parser
• Save Questions Offline
• Search AND, OR, Phrase, body and title
• FREE!

At present the version available in store is v0.1, which does not include most of the features seen in the screenshots, an update has been submitted and will be available soon. In the meantime you can still download Stack Overflow v0.1 in the app store